Abstract
Abstract
French
References
1.
Grad B.
, and
Kral V. A.
: J. Gerontol. 12 : 172 , 1957 .
2.
Goldstein K.
: Am. Psychol. Series , 1939 :35 .
3.
Cameron D. E.
: Disorganization: a psychosomatic principle , in
Hoch P. H.
, and
Zubin J.
: Experimental psychopathology , New York , Grune & Stratton , 1957 .
4.
Arey L. B.
Anat. Rec. 64 : 9 , 1935–36.